<!DOCTYPE html>
<html>
	<head>
		<meta>
		<title></title>
	</head>
	<body>
		<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
    <link rel="stylesheet" href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
    <style>
        .list{
            background: orangered;
            margin-bottom: 20px;
        }
        @media (max-width: 600px) {
        	.col-md-4{
        		width: 100%;
        	}
        }
    </style>
</head>
<body>
<div class="container">
    <div class="row">
        <div class="col-md-4">
            <div class="list">商品</div>
        </div>
        <div class="col-md-4">
            <div class="row">
                <div class="col-6">
                    <div class="list">商品</div>
                </div>
                <div class="col-6">
                    <div class="list">商品</div>
                </div>
                <div class="col-6">
                    <div class="list">商品</div>
                </div>
                <div class="col-6">
                    <div class="list">商品</div>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="list">商品</div>
        </div>
    </div>
</div>

</body>
</html>
	</body>
</html>
